MP6402DN-LF-Z

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The MP6402DN-LF-Z is a high side linear current regulator specifically designed to be used in automotive applications. It is particularly suitable for controlling the linear current flow of tractor trailer lights, air conditioners and fan motors. The MP6402DN-LF-Z is a three terminal device with an adjustable voltage range.

The MP6402DN-LF-Z provides an adjustable output voltage range from 5V to 24V, with an adjustable current sense resistor, allowing for further precision. The regulator has a maximum output current of 4A and a thermal dissipation efficiency of up to 95%. It also provides over temperature protection, with an internal thermal limit that can be enabled or disabled for further flexibility. The output voltage can also be adjusted with an external feedback connection to the PWR-GND pin.

The MP6402DN-LF-Z works on the principle of Linear Voltage Regulation. The principle is simple, when the load current increases, the voltage across the load increases until the load current is stabilized, and the regulator maintains an output voltage that is regulated to a specified, desired level. This process of load current stabilization is done by altering the voltage across the current sensing resistor.

The working of the MP6402DN-LF-Z can be further understood with the help of certain parameters such as signal input voltage (VIN), output voltage (VOUT) and signal output current (IOUT). When the input voltage (VIN) is applied, the output voltage (VOUT) of the regulator is equal or close to VIN, and signal output current (IOUT) is equal to the supply current. When the load current increases, the output voltage will drop until the load current is stabilized at the most suitable level. If the load current continues to increase, the output voltage will start to increase, as the regulator has a maximum current limit.

The MP6402DN-LF-Z is widely used in automotive applications, such as automotive lighting and electronic control systems for regulating the current in both high and low side applications. This regulator can also be used in power systems for controlling the linear current flow in fan motors, air conditioners and other motorized devices.

The MP6402 DN-LF-Z is a comprehensive high side current regulator that is equipped with adjustable voltage range, thermal sensing capability, over temperature protection, and many more features. The adjustable voltage range allows for increased accuracy and flexibility in a wide range of applications, and when combined with the other features, this regulator provides an efficient, reliable, and high-performance solution for automotive lighting and control systems.

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